Diamond or precious stone



FIG. 1 is a top perspective view of the precious stone design.

FIG. 2 is a bottom perspective view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a top view thereof.

FIG. 5 is a front view thereof.

FIG. 6 is a left side view thereof.

FIG. 7 is a back view thereof; and,

FIG. 8 is a right side view thereof. 

The ornamental design for a diamond or precious stone, as shown and described. 